Search for the supersymmetric partner of the top quark inpp̄ collisions at √s=1.8 TeVl

T. Affolder, H. Akimoto, A. Akopian, M. G. Albrow, P. Amaral, S. R. Amendolia, D. Amidei, K. Anikeev, J. Antos, G. Apollinari, T. Arisawa

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14 Citations (Scopus)

Abstract

We report on a search for the supersymmetric partner of the top quark (top squark) produced in tt̄ events using 110 pb-1 of pp̄ collisions at √s= 1.8 TeV recorded with the Collider Detector at Fermilab. In the case of a light top squark, the decay of the top quark into a top squark plus the lightest supersymmetric particle (LSP) could have a significant branching ratio. The observed events are consistent with standard model tt̄ production and decay. Hence, we set limits on the branching ratio of the top quark decaying into a top squark plus LSP, excluding branching ratios above 45% for a LSP mass up to 40 GeV/c2.

Original languageEnglish
Article number091101
JournalPhysical Review D
Volume63
Issue number9
Publication statusPublished - 2001

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P., Amendolia, S. R., Amidei, D., Anikeev, K., Antos, J., Apollinari, G., & Arisawa, T. (2001). Search for the supersymmetric partner of the top quark inpp̄ collisions at √s=1.8 TeVl. Physical Review D, 63(9), [091101].